E-learning Course:
Activated Sludge

What's the principle behind activated sludge? Which parameters are pertinent to its use?


total duration


minutes of video



Training for…

Master the issues related to activated sludge

Take advantage of the flexibility of e-learning

Learn when and where you want — access our courses from your computer, tablet or smartphone. Need to take a break? Pick up later where you left off.

Solidify your knowledge over time

Need a reminder? You can access our courses for 12 months. Watch our videos and sharpen your skills as many times as you want.

Track your progress step by step

Start off with an initial assessment to know what you need to focus on. After finishing a course, do a final assessment to see how far you’ve come.

Train your staff on activated sludge

Training that adapts to your schedule

With short videos, your team can learn at their convenience — during dedicated time slots, while coming back from a site or even if there’s bad weather.

Ensure continued improvement

Need a reminder? Your staff can access our videos, interactive tests and other resources for 12 months.

Track everyone’s progress

Assign courses individually or to groups and monitor their progress from your control panel — assessment results, completion rates, learning times and more.

What you will learn

The principle behind activated sludge, as well as parameters pertinent to its use, are explained in order to understand the carbon, nitrogen and phosphorus treatment processes. The characteristics of the aeration and mixing equipment are also detailed. Lastly, the secondary clarifier is discussed, together with its functions and good operating practices.

Educational Objectives

To characterise the different types of activated sludge

To know the reactions that occur during the nitrogen and nitrate treatment processes

To know the principle behind decantation, as well as the composition of activated sludge

Target Skills

  • To operate a wastewater treatment plant

Your Contacts


Course program:
Activated Sludge

test de positionnement e-learning
Initial Evaluation

28 questions to find out what you already know about activated sludge. Focus on the key points!

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Module 1 – Activated Sludge Processes
  • Characteristics of Activated Sludge
  • Types of Activated Sludge
  • Extended Aeration
  • Discharge Limits for Treatment Plants
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Module 2 – Basics about Aerobic Biological Treatment
  • Nitrification
  • Denitrification
  • Equipment Used for Removing Nitrogen
  • Equipment for Aeration and Mixing
  • Aerator Efficiency
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Module 3 – Secondary Clarifiers
  • The Functions of a Secondary Clarifier
  • Equipment Used with a Secondary Clarifier
  • Managing a Clarifier’s Hydraulic Capacity
  • Sizing a Secondary Clarifier — Theory
  • Sizing a Secondary Clarifier — Application
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Final Evaluation

Find out what you know about activated sludge.

Target Audience

Technicians, Managers




Basic Knowledge about the Functioning of a Wastewater Treatment Plant
Basic Knowledge about Chemistry and Bacteriology




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Short Videos

Concise videos that help you learn key concepts with ease!

An Initial Evaluation to determine educational needs

Find out what you already know and save time by only focusing what you haven’t yet learnt.

Practice questions for effective learning

Discover what you’ve learned after every video and get detailed explanations with just a click.

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Frequently Asked Questions - Activated Sludge

How does evaluation work?

There are two evaluations—an initial evaluation to determine your educational needs and a final test to see what you’ve learned. The two evaluations contain the same questions in order to measure your progress after taking the course.

Can I rewatch the videos and redo the evaluations after passing the course?

Absolutely! You can access all our videos and evaluations for 12 months. Take the course again if you need a refresher on some aspects.

Can I get a certificate?

Once you’ve passed a course, you can download a completion certificate.

Can I pause my course?

Yes, your progress is saved after each video and you can pick up where you left off.

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